quizcircularagain_ General Physics_ 2023SU-PHYS-004A-101
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Bergen Community College *
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Course
PHY 222
Subject
Physics
Date
Feb 20, 2024
Type
Pages
10
Uploaded by BaronCamelPerson1042
7/25/23, 1:11 PM
quizcircularagain: General Physics: 2023SU-PHYS-004A-101
https://sjeccd.instructure.com/courses/37200/quizzes/244103
1/10
quizcircularagain Due
Aug 2 at 11:59pm
Points
28
Questions
15
Available
Jun 19 at 12am - Aug 2 at 11:59pm
Time Limit
None
Allowed Attempts
2
Instructions
Attempt History
Attempt
Time
Score
LATEST
Attempt 1
310 minutes
21 out of 28
Answers will be shown after your last attempt
Score for this attempt: 21
out of 28
Submitted Jul 25 at 1:11pm
This attempt took 310 minutes.
2 attempts
50 mins
Take the Quiz Again
2 / 2 pts
Question 1
A uniform cylinder of radius R
, mass M
, and length L
rotates freely about a horizontal
axis parallel and tangent to the cylinder, as shown below. The moment of inertia of the
cylinder about this axis is
.
7/25/23, 1:11 PM
quizcircularagain: General Physics: 2023SU-PHYS-004A-101
https://sjeccd.instructure.com/courses/37200/quizzes/244103
2/10
.
MR
.
2
.
.
0 / 2 pts
Question 2
Incorrect
Incorrect
If a dense, 20.0-kg object is falling in air at half its terminal velocity, what is the drag
force on the object at this moment?
24.5 N
49.0 N
69.3 N
98.0 N
139 N
1 / 1 pts
Question 3
Exhibit 10-1
The figure below shows a graph of angular velocity versus time for a woman bicycling
around a circular track.
7/25/23, 1:11 PM
quizcircularagain: General Physics: 2023SU-PHYS-004A-101
https://sjeccd.instructure.com/courses/37200/quizzes/244103
3/10
Use this exhibit to answer the following question(s).
Refer to Exhibit 10-1. What is her angular displacement (in rad) in the first 8 minutes?
0
π
4
π
8
π
16
π
2 / 2 pts
Question 4
A wheel starts from rest and rotates with a constant angular acceleration about a fixed
axis. It completes the first revolution 6.0 s after it started. How long after it started will
the wheel complete the second revolution?
9.9 s
7.8 s
8.5 s
9.2 s
6.4 s
7/25/23, 1:11 PM
quizcircularagain: General Physics: 2023SU-PHYS-004A-101
https://sjeccd.instructure.com/courses/37200/quizzes/244103
4/10
0 / 2 pts
Question 5
Incorrect
Incorrect
The graph below shows a plot of angular acceleration in rad/s
versus time from t
= 0 s to
t
= 8 s. The angular velocity at t
= 0 s is , CCW. The angular velocity, ω
, at
t
= 8 s is
2
, CW.
, CCW.
, CW.
, CCW.
, CW.
2 / 2 pts
Question 6
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